module digitalTube(
	input  [3:0] in,
	output reg [6:0] out
);

	always @(*) begin
		case(in)
			4'd0 : out = 7'b1000_000;
			4'd1 : out = 7'b1111_001;
			4'd2 : out = 7'b0100_100;
			4'd3 : out = 7'b0110_000;
			4'd4 : out = 7'b0011_001;
			4'd5 : out = 7'b0010_010;
			4'd6 : out = 7'b0000_011;
			4'd7 : out = 7'b1111_000;
			4'd8 : out = 7'b0000_000;
			4'd9 : out = 7'b0011_000;
			4'd10: out = 7'b1111_111;
			4'd11: out = 7'b0000_011;
			4'd12: out = 7'b1000_110;
			4'd13: out = 7'b0100_001;
			4'd14: out = 7'b0000_110;
			4'd15: out = 7'b0001_110;
		endcase
	end
endmodule
